class NumberToLocalizedStringTransformer implements

bool isProperty(int $index) Returns whether the element at the given index is a property.

FormRendererEngineInterface

PropertyPath getParent()

string getElement(int $index) Returns the element at the given index in the property path.

static bool isValidName(string $name) Returns whether the given variable contains

FormConfigBuilderInterface

string|null getParent() Returns the name of the parent type.

array all() Returns the children. Return

string getBlockPrefix() Returns the prefix of the template block name for this type. The